Question

am nevoie de ajutor va dau coroana ​

Answer 1

Explicație pas cu pas:

y:9+25-3=8-3+25

y:9=8-3+25+3-25

y:9= 8

y= 8x9

y=72

8×m+26=3×30

8×m= 90-26

8×m=64

m= 64:8

m= 8

ax9-23=70:7×4

a×9-23=10×4

ax9-23=40

ax9= 40+23

ax9=63

a=63:9

a= 7